De Haas-van Alphen effect of the heavy-fermion superconductor URu2Si2

Y. Inada; H. Ohkuni; M. Hedo; Y. Tokiwa; K. Sakurai; Y. Haga; E. Yamamoto; T. Honma; Y. Onuki

doi:10.1016/S0921-4526(98)01080-1

De Haas-van Alphen effect of the heavy-fermion superconductor URu₂Si₂

Y. Inada, H. Ohkuni, M. Hedo, Y. Tokiwa, K. Sakurai, Y. Haga, E. Yamamoto, T. Honma, Y. Onuki

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We have measured the de Haas-van Alphen (dHvA) effect of URu₂Si₂. One kind of the dHvA branch, which corresponds to an almost spherical Fermi surface, has been detected both in the normal and super-conducting mixed states. The dHvA frequency in the mixed state is unchanged from the normal state. The cyclotron effective mass is clearly found to decrease with decreasing the magnetic field below H_c2 and the corresponding Dingle temperature increases with decreasing the field.

Original language	English
Pages (from-to)	642-643
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	259-261
DOIs	https://doi.org/10.1016/S0921-4526(98)01080-1
Publication status	Published - Jan 1 1999
Externally published	Yes

Keywords

De Haas-van Alphen oscillation
Superconductor
URuSi

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/S0921-4526(98)01080-1

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title = "De Haas-van Alphen effect of the heavy-fermion superconductor URu2Si2",

abstract = "We have measured the de Haas-van Alphen (dHvA) effect of URu2Si2. One kind of the dHvA branch, which corresponds to an almost spherical Fermi surface, has been detected both in the normal and super-conducting mixed states. The dHvA frequency in the mixed state is unchanged from the normal state. The cyclotron effective mass is clearly found to decrease with decreasing the magnetic field below Hc2 and the corresponding Dingle temperature increases with decreasing the field.",

keywords = "De Haas-van Alphen oscillation, Superconductor, URuSi",

author = "Y. Inada and H. Ohkuni and M. Hedo and Y. Tokiwa and K. Sakurai and Y. Haga and E. Yamamoto and T. Honma and Y. Onuki",

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doi = "10.1016/S0921-4526(98)01080-1",

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T1 - De Haas-van Alphen effect of the heavy-fermion superconductor URu2Si2

AU - Inada, Y.

AU - Ohkuni, H.

AU - Hedo, M.

AU - Tokiwa, Y.

AU - Sakurai, K.

AU - Haga, Y.

AU - Yamamoto, E.

AU - Honma, T.

AU - Onuki, Y.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - We have measured the de Haas-van Alphen (dHvA) effect of URu2Si2. One kind of the dHvA branch, which corresponds to an almost spherical Fermi surface, has been detected both in the normal and super-conducting mixed states. The dHvA frequency in the mixed state is unchanged from the normal state. The cyclotron effective mass is clearly found to decrease with decreasing the magnetic field below Hc2 and the corresponding Dingle temperature increases with decreasing the field.

AB - We have measured the de Haas-van Alphen (dHvA) effect of URu2Si2. One kind of the dHvA branch, which corresponds to an almost spherical Fermi surface, has been detected both in the normal and super-conducting mixed states. The dHvA frequency in the mixed state is unchanged from the normal state. The cyclotron effective mass is clearly found to decrease with decreasing the magnetic field below Hc2 and the corresponding Dingle temperature increases with decreasing the field.

KW - De Haas-van Alphen oscillation

KW - Superconductor

KW - URuSi

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